| 1 | /* Darwin support for GDB, the GNU debugger. |
| 2 | Copyright (C) 1997-2019 Free Software Foundation, Inc. |
| 3 | |
| 4 | Contributed by Apple Computer, Inc. |
| 5 | |
| 6 | This file is part of GDB. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 20 | |
| 21 | /* The name of the ppc_thread_state structure, and the names of its |
| 22 | members, have been changed for Unix conformance reasons. The easiest |
| 23 | way to have gdb build on systems with the older names and systems |
| 24 | with the newer names is to build this compilation unit with the |
| 25 | non-conformant define below. This doesn't seem to cause the resulting |
| 26 | binary any problems but it seems like it could cause us problems in |
| 27 | the future. It'd be good to remove this at some point when compiling on |
| 28 | Tiger is no longer important. */ |
| 29 | |
| 30 | #include "defs.h" |
| 31 | #include "symtab.h" |
| 32 | #include "gdbtypes.h" |
| 33 | #include "gdbcore.h" |
| 34 | #include "value.h" |
| 35 | #include "gdbcmd.h" |
| 36 | #include "inferior.h" |
| 37 | #include "gdbarch.h" |
| 38 | |
| 39 | #include <sys/sysctl.h> |
| 40 | |
| 41 | #include "darwin-nat.h" |
| 42 | |
| 43 | #include <mach/thread_info.h> |
| 44 | #include <mach/thread_act.h> |
| 45 | #include <mach/task.h> |
| 46 | #include <mach/vm_map.h> |
| 47 | #include <mach/mach_port.h> |
| 48 | #include <mach/mach_init.h> |
| 49 | #include <mach/mach_vm.h> |
| 50 | |
| 51 | #define CHECK_ARGS(what, args) do { \ |
| 52 | if ((NULL == args) || ((args[0] != '0') && (args[1] != 'x'))) \ |
| 53 | error(_("%s must be specified with 0x..."), what); \ |
| 54 | } while (0) |
| 55 | |
| 56 | #define PRINT_FIELD(structure, field) \ |
| 57 | printf_unfiltered(_(#field":\t%#lx\n"), (unsigned long) (structure)->field) |
| 58 | |
| 59 | #define PRINT_TV_FIELD(structure, field) \ |
| 60 | printf_unfiltered(_(#field":\t%u.%06u sec\n"), \ |
| 61 | (unsigned) (structure)->field.seconds, \ |
| 62 | (unsigned) (structure)->field.microseconds) |
| 63 | |
| 64 | #define task_self mach_task_self |
| 65 | #define task_by_unix_pid task_for_pid |
| 66 | #define port_name_array_t mach_port_array_t |
| 67 | #define port_type_array_t mach_port_array_t |
| 68 | |
| 69 | static void |
| 70 | info_mach_tasks_command (const char *args, int from_tty) |
| 71 | { |
| 72 | int sysControl[4]; |
| 73 | int count, index; |
| 74 | size_t length; |
| 75 | struct kinfo_proc *procInfo; |
| 76 | |
| 77 | sysControl[0] = CTL_KERN; |
| 78 | sysControl[1] = KERN_PROC; |
| 79 | sysControl[2] = KERN_PROC_ALL; |
| 80 | |
| 81 | sysctl (sysControl, 3, NULL, &length, NULL, 0); |
| 82 | procInfo = (struct kinfo_proc *) xmalloc (length); |
| 83 | sysctl (sysControl, 3, procInfo, &length, NULL, 0); |
| 84 | |
| 85 | count = (length / sizeof (struct kinfo_proc)); |
| 86 | printf_unfiltered (_("%d processes:\n"), count); |
| 87 | for (index = 0; index < count; ++index) |
| 88 | { |
| 89 | kern_return_t result; |
| 90 | mach_port_t taskPort; |
| 91 | |
| 92 | result = |
| 93 | task_by_unix_pid (mach_task_self (), procInfo[index].kp_proc.p_pid, |
| 94 | &taskPort); |
| 95 | if (KERN_SUCCESS == result) |
| 96 | { |
| 97 | printf_unfiltered (_(" %s is %d has task %#x\n"), |
| 98 | procInfo[index].kp_proc.p_comm, |
| 99 | procInfo[index].kp_proc.p_pid, taskPort); |
| 100 | } |
| 101 | else |
| 102 | { |
| 103 | printf_unfiltered (_(" %s is %d unknown task port\n"), |
| 104 | procInfo[index].kp_proc.p_comm, |
| 105 | procInfo[index].kp_proc.p_pid); |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | xfree (procInfo); |
| 110 | } |
| 111 | |
| 112 | static task_t |
| 113 | get_task_from_args (const char *args) |
| 114 | { |
| 115 | task_t task; |
| 116 | char *eptr; |
| 117 | |
| 118 | if (args == NULL || *args == 0) |
| 119 | { |
| 120 | if (inferior_ptid == null_ptid) |
| 121 | printf_unfiltered (_("No inferior running\n")); |
| 122 | |
| 123 | darwin_inferior *priv = get_darwin_inferior (current_inferior ()); |
| 124 | |
| 125 | return priv->task; |
| 126 | } |
| 127 | if (strcmp (args, "gdb") == 0) |
| 128 | return mach_task_self (); |
| 129 | task = strtoul (args, &eptr, 0); |
| 130 | if (*eptr) |
| 131 | { |
| 132 | printf_unfiltered (_("cannot parse task id '%s'\n"), args); |
| 133 | return TASK_NULL; |
| 134 | } |
| 135 | return task; |
| 136 | } |
| 137 | |
| 138 | static void |
| 139 | info_mach_task_command (const char *args, int from_tty) |
| 140 | { |
| 141 | union |
| 142 | { |
| 143 | struct task_basic_info basic; |
| 144 | struct task_events_info events; |
| 145 | struct task_thread_times_info thread_times; |
| 146 | } task_info_data; |
| 147 | |
| 148 | kern_return_t result; |
| 149 | unsigned int info_count; |
| 150 | task_t task; |
| 151 | |
| 152 | task = get_task_from_args (args); |
| 153 | if (task == TASK_NULL) |
| 154 | return; |
| 155 | |
| 156 | printf_unfiltered (_("TASK_BASIC_INFO for 0x%x:\n"), task); |
| 157 | info_count = TASK_BASIC_INFO_COUNT; |
| 158 | result = task_info (task, |
| 159 | TASK_BASIC_INFO, |
| 160 | (task_info_t) & task_info_data.basic, &info_count); |
| 161 | MACH_CHECK_ERROR (result); |
| 162 | |
| 163 | PRINT_FIELD (&task_info_data.basic, suspend_count); |
| 164 | PRINT_FIELD (&task_info_data.basic, virtual_size); |
| 165 | PRINT_FIELD (&task_info_data.basic, resident_size); |
| 166 | PRINT_TV_FIELD (&task_info_data.basic, user_time); |
| 167 | PRINT_TV_FIELD (&task_info_data.basic, system_time); |
| 168 | printf_unfiltered (_("\nTASK_EVENTS_INFO:\n")); |
| 169 | info_count = TASK_EVENTS_INFO_COUNT; |
| 170 | result = task_info (task, |
| 171 | TASK_EVENTS_INFO, |
| 172 | (task_info_t) & task_info_data.events, &info_count); |
| 173 | MACH_CHECK_ERROR (result); |
| 174 | |
| 175 | PRINT_FIELD (&task_info_data.events, faults); |
| 176 | #if 0 |
| 177 | PRINT_FIELD (&task_info_data.events, zero_fills); |
| 178 | PRINT_FIELD (&task_info_data.events, reactivations); |
| 179 | #endif |
| 180 | PRINT_FIELD (&task_info_data.events, pageins); |
| 181 | PRINT_FIELD (&task_info_data.events, cow_faults); |
| 182 | PRINT_FIELD (&task_info_data.events, messages_sent); |
| 183 | PRINT_FIELD (&task_info_data.events, messages_received); |
| 184 | printf_unfiltered (_("\nTASK_THREAD_TIMES_INFO:\n")); |
| 185 | info_count = TASK_THREAD_TIMES_INFO_COUNT; |
| 186 | result = task_info (task, |
| 187 | TASK_THREAD_TIMES_INFO, |
| 188 | (task_info_t) & task_info_data.thread_times, |
| 189 | &info_count); |
| 190 | MACH_CHECK_ERROR (result); |
| 191 | PRINT_TV_FIELD (&task_info_data.thread_times, user_time); |
| 192 | PRINT_TV_FIELD (&task_info_data.thread_times, system_time); |
| 193 | } |
| 194 | |
| 195 | static void |
| 196 | info_mach_ports_command (const char *args, int from_tty) |
| 197 | { |
| 198 | port_name_array_t names; |
| 199 | port_type_array_t types; |
| 200 | unsigned int name_count, type_count; |
| 201 | kern_return_t result; |
| 202 | int index; |
| 203 | task_t task; |
| 204 | |
| 205 | task = get_task_from_args (args); |
| 206 | if (task == TASK_NULL) |
| 207 | return; |
| 208 | |
| 209 | result = mach_port_names (task, &names, &name_count, &types, &type_count); |
| 210 | MACH_CHECK_ERROR (result); |
| 211 | |
| 212 | gdb_assert (name_count == type_count); |
| 213 | |
| 214 | printf_unfiltered (_("Ports for task 0x%x:\n"), task); |
| 215 | printf_unfiltered (_("port type\n")); |
| 216 | for (index = 0; index < name_count; ++index) |
| 217 | { |
| 218 | mach_port_t port = names[index]; |
| 219 | unsigned int j; |
| 220 | struct type_descr |
| 221 | { |
| 222 | mach_port_type_t type; |
| 223 | const char *name; |
| 224 | mach_port_right_t right; |
| 225 | }; |
| 226 | static struct type_descr descrs[] = |
| 227 | { |
| 228 | {MACH_PORT_TYPE_SEND, "send", MACH_PORT_RIGHT_SEND}, |
| 229 | {MACH_PORT_TYPE_SEND_ONCE, "send-once", MACH_PORT_RIGHT_SEND_ONCE}, |
| 230 | {MACH_PORT_TYPE_RECEIVE, "receive", MACH_PORT_RIGHT_RECEIVE}, |
| 231 | {MACH_PORT_TYPE_PORT_SET, "port-set", MACH_PORT_RIGHT_PORT_SET}, |
| 232 | {MACH_PORT_TYPE_DEAD_NAME, "dead", MACH_PORT_RIGHT_DEAD_NAME} |
| 233 | }; |
| 234 | |
| 235 | printf_unfiltered (_("%04x: %08x "), port, types[index]); |
| 236 | for (j = 0; j < sizeof(descrs) / sizeof(*descrs); j++) |
| 237 | if (types[index] & descrs[j].type) |
| 238 | { |
| 239 | mach_port_urefs_t ref; |
| 240 | kern_return_t ret; |
| 241 | |
| 242 | printf_unfiltered (_(" %s("), descrs[j].name); |
| 243 | ret = mach_port_get_refs (task, port, descrs[j].right, &ref); |
| 244 | if (ret != KERN_SUCCESS) |
| 245 | printf_unfiltered (_("??")); |
| 246 | else |
| 247 | printf_unfiltered (_("%u"), ref); |
| 248 | printf_unfiltered (_(" refs)")); |
| 249 | } |
| 250 | |
| 251 | if (task == task_self ()) |
| 252 | { |
| 253 | if (port == task_self()) |
| 254 | printf_unfiltered (_(" gdb-task")); |
| 255 | else if (port == darwin_host_self) |
| 256 | printf_unfiltered (_(" host-self")); |
| 257 | else if (port == darwin_ex_port) |
| 258 | printf_unfiltered (_(" gdb-exception")); |
| 259 | else if (port == darwin_port_set) |
| 260 | printf_unfiltered (_(" gdb-port_set")); |
| 261 | else if (inferior_ptid != null_ptid) |
| 262 | { |
| 263 | struct inferior *inf = current_inferior (); |
| 264 | darwin_inferior *priv = get_darwin_inferior (inf); |
| 265 | |
| 266 | if (port == priv->task) |
| 267 | printf_unfiltered (_(" inferior-task")); |
| 268 | else if (port == priv->notify_port) |
| 269 | printf_unfiltered (_(" inferior-notify")); |
| 270 | else |
| 271 | { |
| 272 | for (int k = 0; k < priv->exception_info.count; k++) |
| 273 | if (port == priv->exception_info.ports[k]) |
| 274 | { |
| 275 | printf_unfiltered (_(" inferior-excp-port")); |
| 276 | break; |
| 277 | } |
| 278 | |
| 279 | for (darwin_thread_t *t : priv->threads) |
| 280 | { |
| 281 | if (port == t->gdb_port) |
| 282 | { |
| 283 | printf_unfiltered (_(" inferior-thread for 0x%x"), |
| 284 | priv->task); |
| 285 | break; |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | } |
| 290 | } |
| 291 | } |
| 292 | printf_unfiltered (_("\n")); |
| 293 | } |
| 294 | |
| 295 | vm_deallocate (task_self (), (vm_address_t) names, |
| 296 | (name_count * sizeof (mach_port_t))); |
| 297 | vm_deallocate (task_self (), (vm_address_t) types, |
| 298 | (type_count * sizeof (mach_port_type_t))); |
| 299 | } |
| 300 | |
| 301 | |
| 302 | static void |
| 303 | darwin_debug_port_info (task_t task, mach_port_t port) |
| 304 | { |
| 305 | kern_return_t kret; |
| 306 | mach_port_status_t status; |
| 307 | mach_msg_type_number_t len = sizeof (status); |
| 308 | |
| 309 | kret = mach_port_get_attributes |
| 310 | (task, port, MACH_PORT_RECEIVE_STATUS, (mach_port_info_t)&status, &len); |
| 311 | MACH_CHECK_ERROR (kret); |
| 312 | |
| 313 | printf_unfiltered (_("Port 0x%lx in task 0x%lx:\n"), (unsigned long) port, |
| 314 | (unsigned long) task); |
| 315 | printf_unfiltered (_(" port set: 0x%x\n"), status.mps_pset); |
| 316 | printf_unfiltered (_(" seqno: 0x%x\n"), status.mps_seqno); |
| 317 | printf_unfiltered (_(" mscount: 0x%x\n"), status.mps_mscount); |
| 318 | printf_unfiltered (_(" qlimit: 0x%x\n"), status.mps_qlimit); |
| 319 | printf_unfiltered (_(" msgcount: 0x%x\n"), status.mps_msgcount); |
| 320 | printf_unfiltered (_(" sorights: 0x%x\n"), status.mps_sorights); |
| 321 | printf_unfiltered (_(" srights: 0x%x\n"), status.mps_srights); |
| 322 | printf_unfiltered (_(" pdrequest: 0x%x\n"), status.mps_pdrequest); |
| 323 | printf_unfiltered (_(" nsrequest: 0x%x\n"), status.mps_nsrequest); |
| 324 | printf_unfiltered (_(" flags: 0x%x\n"), status.mps_flags); |
| 325 | } |
| 326 | |
| 327 | static void |
| 328 | info_mach_port_command (const char *args, int from_tty) |
| 329 | { |
| 330 | task_t task; |
| 331 | mach_port_t port; |
| 332 | |
| 333 | CHECK_ARGS (_("Task and port"), args); |
| 334 | sscanf (args, "0x%x 0x%x", &task, &port); |
| 335 | |
| 336 | darwin_debug_port_info (task, port); |
| 337 | } |
| 338 | |
| 339 | static void |
| 340 | info_mach_threads_command (const char *args, int from_tty) |
| 341 | { |
| 342 | thread_array_t threads; |
| 343 | unsigned int thread_count; |
| 344 | kern_return_t result; |
| 345 | task_t task; |
| 346 | int i; |
| 347 | |
| 348 | task = get_task_from_args (args); |
| 349 | if (task == TASK_NULL) |
| 350 | return; |
| 351 | |
| 352 | result = task_threads (task, &threads, &thread_count); |
| 353 | MACH_CHECK_ERROR (result); |
| 354 | |
| 355 | printf_unfiltered (_("Threads in task %#x:\n"), task); |
| 356 | for (i = 0; i < thread_count; ++i) |
| 357 | { |
| 358 | printf_unfiltered (_(" %#x\n"), threads[i]); |
| 359 | mach_port_deallocate (task_self (), threads[i]); |
| 360 | } |
| 361 | |
| 362 | vm_deallocate (task_self (), (vm_address_t) threads, |
| 363 | (thread_count * sizeof (thread_t))); |
| 364 | } |
| 365 | |
| 366 | static void |
| 367 | info_mach_thread_command (const char *args, int from_tty) |
| 368 | { |
| 369 | union |
| 370 | { |
| 371 | struct thread_basic_info basic; |
| 372 | } thread_info_data; |
| 373 | |
| 374 | thread_t thread; |
| 375 | kern_return_t result; |
| 376 | unsigned int info_count; |
| 377 | |
| 378 | CHECK_ARGS (_("Thread"), args); |
| 379 | sscanf (args, "0x%x", &thread); |
| 380 | |
| 381 | printf_unfiltered (_("THREAD_BASIC_INFO\n")); |
| 382 | info_count = THREAD_BASIC_INFO_COUNT; |
| 383 | result = thread_info (thread, |
| 384 | THREAD_BASIC_INFO, |
| 385 | (thread_info_t) & thread_info_data.basic, |
| 386 | &info_count); |
| 387 | MACH_CHECK_ERROR (result); |
| 388 | |
| 389 | #if 0 |
| 390 | PRINT_FIELD (&thread_info_data.basic, user_time); |
| 391 | PRINT_FIELD (&thread_info_data.basic, system_time); |
| 392 | #endif |
| 393 | PRINT_FIELD (&thread_info_data.basic, cpu_usage); |
| 394 | PRINT_FIELD (&thread_info_data.basic, run_state); |
| 395 | PRINT_FIELD (&thread_info_data.basic, flags); |
| 396 | PRINT_FIELD (&thread_info_data.basic, suspend_count); |
| 397 | PRINT_FIELD (&thread_info_data.basic, sleep_time); |
| 398 | } |
| 399 | |
| 400 | static const char * |
| 401 | unparse_protection (vm_prot_t p) |
| 402 | { |
| 403 | switch (p) |
| 404 | { |
| 405 | case VM_PROT_NONE: |
| 406 | return "---"; |
| 407 | case VM_PROT_READ: |
| 408 | return "r--"; |
| 409 | case VM_PROT_WRITE: |
| 410 | return "-w-"; |
| 411 | case VM_PROT_READ | VM_PROT_WRITE: |
| 412 | return "rw-"; |
| 413 | case VM_PROT_EXECUTE: |
| 414 | return "--x"; |
| 415 | case VM_PROT_EXECUTE | VM_PROT_READ: |
| 416 | return "r-x"; |
| 417 | case VM_PROT_EXECUTE | VM_PROT_WRITE: |
| 418 | return "-wx"; |
| 419 | case VM_PROT_EXECUTE | VM_PROT_WRITE | VM_PROT_READ: |
| 420 | return "rwx"; |
| 421 | default: |
| 422 | return "???"; |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | static const char * |
| 427 | unparse_inheritance (vm_inherit_t i) |
| 428 | { |
| 429 | switch (i) |
| 430 | { |
| 431 | case VM_INHERIT_SHARE: |
| 432 | return _("share"); |
| 433 | case VM_INHERIT_COPY: |
| 434 | return _("copy "); |
| 435 | case VM_INHERIT_NONE: |
| 436 | return _("none "); |
| 437 | default: |
| 438 | return _("??? "); |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | static const char * |
| 443 | unparse_share_mode (unsigned char p) |
| 444 | { |
| 445 | switch (p) |
| 446 | { |
| 447 | case SM_COW: |
| 448 | return _("cow"); |
| 449 | case SM_PRIVATE: |
| 450 | return _("private"); |
| 451 | case SM_EMPTY: |
| 452 | return _("empty"); |
| 453 | case SM_SHARED: |
| 454 | return _("shared"); |
| 455 | case SM_TRUESHARED: |
| 456 | return _("true-shrd"); |
| 457 | case SM_PRIVATE_ALIASED: |
| 458 | return _("prv-alias"); |
| 459 | case SM_SHARED_ALIASED: |
| 460 | return _("shr-alias"); |
| 461 | default: |
| 462 | return _("???"); |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | static const char * |
| 467 | unparse_user_tag (unsigned int tag) |
| 468 | { |
| 469 | switch (tag) |
| 470 | { |
| 471 | case 0: |
| 472 | return _("default"); |
| 473 | case VM_MEMORY_MALLOC: |
| 474 | return _("malloc"); |
| 475 | case VM_MEMORY_MALLOC_SMALL: |
| 476 | return _("malloc_small"); |
| 477 | case VM_MEMORY_MALLOC_LARGE: |
| 478 | return _("malloc_large"); |
| 479 | case VM_MEMORY_MALLOC_HUGE: |
| 480 | return _("malloc_huge"); |
| 481 | case VM_MEMORY_SBRK: |
| 482 | return _("sbrk"); |
| 483 | case VM_MEMORY_REALLOC: |
| 484 | return _("realloc"); |
| 485 | case VM_MEMORY_MALLOC_TINY: |
| 486 | return _("malloc_tiny"); |
| 487 | case VM_MEMORY_ANALYSIS_TOOL: |
| 488 | return _("analysis_tool"); |
| 489 | case VM_MEMORY_MACH_MSG: |
| 490 | return _("mach_msg"); |
| 491 | case VM_MEMORY_IOKIT: |
| 492 | return _("iokit"); |
| 493 | case VM_MEMORY_STACK: |
| 494 | return _("stack"); |
| 495 | case VM_MEMORY_GUARD: |
| 496 | return _("guard"); |
| 497 | case VM_MEMORY_SHARED_PMAP: |
| 498 | return _("shared_pmap"); |
| 499 | case VM_MEMORY_DYLIB: |
| 500 | return _("dylib"); |
| 501 | case VM_MEMORY_APPKIT: |
| 502 | return _("appkit"); |
| 503 | case VM_MEMORY_FOUNDATION: |
| 504 | return _("foundation"); |
| 505 | default: |
| 506 | return NULL; |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | static void |
| 511 | darwin_debug_regions (task_t task, mach_vm_address_t address, int max) |
| 512 | { |
| 513 | kern_return_t kret; |
| 514 | vm_region_basic_info_data_64_t info, prev_info; |
| 515 | mach_vm_address_t prev_address; |
| 516 | mach_vm_size_t size, prev_size; |
| 517 | |
| 518 | mach_port_t object_name; |
| 519 | mach_msg_type_number_t count; |
| 520 | |
| 521 | int nsubregions = 0; |
| 522 | int num_printed = 0; |
| 523 | |
| 524 | count = VM_REGION_BASIC_INFO_COUNT_64; |
| 525 | kret = mach_vm_region (task, &address, &size, VM_REGION_BASIC_INFO_64, |
| 526 | (vm_region_info_t) &info, &count, &object_name); |
| 527 | if (kret != KERN_SUCCESS) |
| 528 | { |
| 529 | printf_filtered (_("No memory regions.")); |
| 530 | return; |
| 531 | } |
| 532 | memcpy (&prev_info, &info, sizeof (vm_region_basic_info_data_64_t)); |
| 533 | prev_address = address; |
| 534 | prev_size = size; |
| 535 | nsubregions = 1; |
| 536 | |
| 537 | for (;;) |
| 538 | { |
| 539 | int print = 0; |
| 540 | int done = 0; |
| 541 | |
| 542 | address = prev_address + prev_size; |
| 543 | |
| 544 | /* Check to see if address space has wrapped around. */ |
| 545 | if (address == 0) |
| 546 | print = done = 1; |
| 547 | |
| 548 | if (!done) |
| 549 | { |
| 550 | count = VM_REGION_BASIC_INFO_COUNT_64; |
| 551 | kret = |
| 552 | mach_vm_region (task, &address, &size, VM_REGION_BASIC_INFO_64, |
| 553 | (vm_region_info_t) &info, &count, &object_name); |
| 554 | if (kret != KERN_SUCCESS) |
| 555 | { |
| 556 | size = 0; |
| 557 | print = done = 1; |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | if (address != prev_address + prev_size) |
| 562 | print = 1; |
| 563 | |
| 564 | if ((info.protection != prev_info.protection) |
| 565 | || (info.max_protection != prev_info.max_protection) |
| 566 | || (info.inheritance != prev_info.inheritance) |
| 567 | || (info.shared != prev_info.reserved) |
| 568 | || (info.reserved != prev_info.reserved)) |
| 569 | print = 1; |
| 570 | |
| 571 | if (print) |
| 572 | { |
| 573 | printf_filtered (_("%s-%s %s/%s %s %s %s"), |
| 574 | paddress (target_gdbarch (), prev_address), |
| 575 | paddress (target_gdbarch (), prev_address + prev_size), |
| 576 | unparse_protection (prev_info.protection), |
| 577 | unparse_protection (prev_info.max_protection), |
| 578 | unparse_inheritance (prev_info.inheritance), |
| 579 | prev_info.shared ? _("shrd") : _("priv"), |
| 580 | prev_info.reserved ? _("reserved") : _("not-rsvd")); |
| 581 | |
| 582 | if (nsubregions > 1) |
| 583 | printf_filtered (_(" (%d sub-rgn)"), nsubregions); |
| 584 | |
| 585 | printf_filtered (_("\n")); |
| 586 | |
| 587 | prev_address = address; |
| 588 | prev_size = size; |
| 589 | memcpy (&prev_info, &info, sizeof (vm_region_basic_info_data_64_t)); |
| 590 | nsubregions = 1; |
| 591 | |
| 592 | num_printed++; |
| 593 | } |
| 594 | else |
| 595 | { |
| 596 | prev_size += size; |
| 597 | nsubregions++; |
| 598 | } |
| 599 | |
| 600 | if ((max > 0) && (num_printed >= max)) |
| 601 | done = 1; |
| 602 | |
| 603 | if (done) |
| 604 | break; |
| 605 | } |
| 606 | } |
| 607 | |
| 608 | static void |
| 609 | darwin_debug_regions_recurse (task_t task) |
| 610 | { |
| 611 | mach_vm_address_t r_start; |
| 612 | mach_vm_size_t r_size; |
| 613 | natural_t r_depth; |
| 614 | mach_msg_type_number_t r_info_size; |
| 615 | vm_region_submap_short_info_data_64_t r_info; |
| 616 | kern_return_t kret; |
| 617 | struct ui_out *uiout = current_uiout; |
| 618 | |
| 619 | ui_out_emit_table table_emitter (uiout, 9, -1, "regions"); |
| 620 | |
| 621 | if (gdbarch_addr_bit (target_gdbarch ()) <= 32) |
| 622 | { |
| 623 | uiout->table_header (10, ui_left, "start", "Start"); |
| 624 | uiout->table_header (10, ui_left, "end", "End"); |
| 625 | } |
| 626 | else |
| 627 | { |
| 628 | uiout->table_header (18, ui_left, "start", "Start"); |
| 629 | uiout->table_header (18, ui_left, "end", "End"); |
| 630 | } |
| 631 | uiout->table_header (3, ui_left, "min-prot", "Min"); |
| 632 | uiout->table_header (3, ui_left, "max-prot", "Max"); |
| 633 | uiout->table_header (5, ui_left, "inheritence", "Inh"); |
| 634 | uiout->table_header (9, ui_left, "share-mode", "Shr"); |
| 635 | uiout->table_header (1, ui_left, "depth", "D"); |
| 636 | uiout->table_header (3, ui_left, "submap", "Sm"); |
| 637 | uiout->table_header (0, ui_noalign, "tag", "Tag"); |
| 638 | |
| 639 | uiout->table_body (); |
| 640 | |
| 641 | r_start = 0; |
| 642 | r_depth = 0; |
| 643 | while (1) |
| 644 | { |
| 645 | const char *tag; |
| 646 | |
| 647 | r_info_size = VM_REGION_SUBMAP_SHORT_INFO_COUNT_64; |
| 648 | r_size = -1; |
| 649 | kret = mach_vm_region_recurse (task, &r_start, &r_size, &r_depth, |
| 650 | (vm_region_recurse_info_t) &r_info, |
| 651 | &r_info_size); |
| 652 | if (kret != KERN_SUCCESS) |
| 653 | break; |
| 654 | |
| 655 | { |
| 656 | ui_out_emit_tuple tuple_emitter (uiout, "regions-row"); |
| 657 | |
| 658 | uiout->field_core_addr ("start", target_gdbarch (), r_start); |
| 659 | uiout->field_core_addr ("end", target_gdbarch (), r_start + r_size); |
| 660 | uiout->field_string ("min-prot", |
| 661 | unparse_protection (r_info.protection)); |
| 662 | uiout->field_string ("max-prot", |
| 663 | unparse_protection (r_info.max_protection)); |
| 664 | uiout->field_string ("inheritence", |
| 665 | unparse_inheritance (r_info.inheritance)); |
| 666 | uiout->field_string ("share-mode", |
| 667 | unparse_share_mode (r_info.share_mode)); |
| 668 | uiout->field_signed ("depth", r_depth); |
| 669 | uiout->field_string ("submap", |
| 670 | r_info.is_submap ? _("sm ") : _("obj")); |
| 671 | tag = unparse_user_tag (r_info.user_tag); |
| 672 | if (tag) |
| 673 | uiout->field_string ("tag", tag); |
| 674 | else |
| 675 | uiout->field_signed ("tag", r_info.user_tag); |
| 676 | } |
| 677 | |
| 678 | uiout->text ("\n"); |
| 679 | |
| 680 | if (r_info.is_submap) |
| 681 | r_depth++; |
| 682 | else |
| 683 | r_start += r_size; |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | |
| 688 | static void |
| 689 | darwin_debug_region (task_t task, mach_vm_address_t address) |
| 690 | { |
| 691 | darwin_debug_regions (task, address, 1); |
| 692 | } |
| 693 | |
| 694 | static void |
| 695 | info_mach_regions_command (const char *args, int from_tty) |
| 696 | { |
| 697 | task_t task; |
| 698 | |
| 699 | task = get_task_from_args (args); |
| 700 | if (task == TASK_NULL) |
| 701 | return; |
| 702 | |
| 703 | darwin_debug_regions (task, 0, -1); |
| 704 | } |
| 705 | |
| 706 | static void |
| 707 | info_mach_regions_recurse_command (const char *args, int from_tty) |
| 708 | { |
| 709 | task_t task; |
| 710 | |
| 711 | task = get_task_from_args (args); |
| 712 | if (task == TASK_NULL) |
| 713 | return; |
| 714 | |
| 715 | darwin_debug_regions_recurse (task); |
| 716 | } |
| 717 | |
| 718 | static void |
| 719 | info_mach_region_command (const char *exp, int from_tty) |
| 720 | { |
| 721 | struct value *val; |
| 722 | mach_vm_address_t address; |
| 723 | struct inferior *inf; |
| 724 | |
| 725 | expression_up expr = parse_expression (exp); |
| 726 | val = evaluate_expression (expr.get ()); |
| 727 | if (TYPE_IS_REFERENCE (value_type (val))) |
| 728 | { |
| 729 | val = value_ind (val); |
| 730 | } |
| 731 | address = value_as_address (val); |
| 732 | |
| 733 | if (inferior_ptid == null_ptid) |
| 734 | error (_("Inferior not available")); |
| 735 | |
| 736 | inf = current_inferior (); |
| 737 | darwin_inferior *priv = get_darwin_inferior (inf); |
| 738 | darwin_debug_region (priv->task, address); |
| 739 | } |
| 740 | |
| 741 | static void |
| 742 | disp_exception (const darwin_exception_info *info) |
| 743 | { |
| 744 | int i; |
| 745 | |
| 746 | printf_filtered (_("%d exceptions:\n"), info->count); |
| 747 | for (i = 0; i < info->count; i++) |
| 748 | { |
| 749 | exception_mask_t mask = info->masks[i]; |
| 750 | |
| 751 | printf_filtered (_("port 0x%04x, behavior: "), info->ports[i]); |
| 752 | switch (info->behaviors[i]) |
| 753 | { |
| 754 | case EXCEPTION_DEFAULT: |
| 755 | printf_unfiltered (_("default")); |
| 756 | break; |
| 757 | case EXCEPTION_STATE: |
| 758 | printf_unfiltered (_("state")); |
| 759 | break; |
| 760 | case EXCEPTION_STATE_IDENTITY: |
| 761 | printf_unfiltered (_("state-identity")); |
| 762 | break; |
| 763 | default: |
| 764 | printf_unfiltered (_("0x%x"), info->behaviors[i]); |
| 765 | } |
| 766 | printf_unfiltered (_(", masks:")); |
| 767 | if (mask & EXC_MASK_BAD_ACCESS) |
| 768 | printf_unfiltered (_(" BAD_ACCESS")); |
| 769 | if (mask & EXC_MASK_BAD_INSTRUCTION) |
| 770 | printf_unfiltered (_(" BAD_INSTRUCTION")); |
| 771 | if (mask & EXC_MASK_ARITHMETIC) |
| 772 | printf_unfiltered (_(" ARITHMETIC")); |
| 773 | if (mask & EXC_MASK_EMULATION) |
| 774 | printf_unfiltered (_(" EMULATION")); |
| 775 | if (mask & EXC_MASK_SOFTWARE) |
| 776 | printf_unfiltered (_(" SOFTWARE")); |
| 777 | if (mask & EXC_MASK_BREAKPOINT) |
| 778 | printf_unfiltered (_(" BREAKPOINT")); |
| 779 | if (mask & EXC_MASK_SYSCALL) |
| 780 | printf_unfiltered (_(" SYSCALL")); |
| 781 | if (mask & EXC_MASK_MACH_SYSCALL) |
| 782 | printf_unfiltered (_(" MACH_SYSCALL")); |
| 783 | if (mask & EXC_MASK_RPC_ALERT) |
| 784 | printf_unfiltered (_(" RPC_ALERT")); |
| 785 | if (mask & EXC_MASK_CRASH) |
| 786 | printf_unfiltered (_(" CRASH")); |
| 787 | printf_unfiltered (_("\n")); |
| 788 | } |
| 789 | } |
| 790 | |
| 791 | static void |
| 792 | info_mach_exceptions_command (const char *args, int from_tty) |
| 793 | { |
| 794 | kern_return_t kret; |
| 795 | darwin_exception_info info; |
| 796 | |
| 797 | info.count = sizeof (info.ports) / sizeof (info.ports[0]); |
| 798 | |
| 799 | if (args != NULL) |
| 800 | { |
| 801 | if (strcmp (args, "saved") == 0) |
| 802 | { |
| 803 | if (inferior_ptid == null_ptid) |
| 804 | printf_unfiltered (_("No inferior running\n")); |
| 805 | |
| 806 | darwin_inferior *priv = get_darwin_inferior (current_inferior ()); |
| 807 | |
| 808 | disp_exception (&priv->exception_info); |
| 809 | return; |
| 810 | } |
| 811 | else if (strcmp (args, "host") == 0) |
| 812 | { |
| 813 | /* FIXME: This needs a privileged host port! */ |
| 814 | kret = host_get_exception_ports |
| 815 | (darwin_host_self, EXC_MASK_ALL, info.masks, |
| 816 | &info.count, info.ports, info.behaviors, info.flavors); |
| 817 | MACH_CHECK_ERROR (kret); |
| 818 | disp_exception (&info); |
| 819 | } |
| 820 | else |
| 821 | error (_("Parameter is saved, host or none")); |
| 822 | } |
| 823 | else |
| 824 | { |
| 825 | struct inferior *inf; |
| 826 | |
| 827 | if (inferior_ptid == null_ptid) |
| 828 | printf_unfiltered (_("No inferior running\n")); |
| 829 | inf = current_inferior (); |
| 830 | |
| 831 | darwin_inferior *priv = get_darwin_inferior (inf); |
| 832 | |
| 833 | kret = task_get_exception_ports |
| 834 | (priv->task, EXC_MASK_ALL, info.masks, |
| 835 | &info.count, info.ports, info.behaviors, info.flavors); |
| 836 | MACH_CHECK_ERROR (kret); |
| 837 | disp_exception (&info); |
| 838 | } |
| 839 | } |
| 840 | |
| 841 | void |
| 842 | _initialize_darwin_info_commands (void) |
| 843 | { |
| 844 | add_info ("mach-tasks", info_mach_tasks_command, |
| 845 | _("Get list of tasks in system.")); |
| 846 | add_info ("mach-ports", info_mach_ports_command, |
| 847 | _("Get list of ports in a task.")); |
| 848 | add_info ("mach-port", info_mach_port_command, |
| 849 | _("Get info on a specific port.")); |
| 850 | add_info ("mach-task", info_mach_task_command, |
| 851 | _("Get info on a specific task.")); |
| 852 | add_info ("mach-threads", info_mach_threads_command, |
| 853 | _("Get list of threads in a task.")); |
| 854 | add_info ("mach-thread", info_mach_thread_command, |
| 855 | _("Get info on a specific thread.")); |
| 856 | |
| 857 | add_info ("mach-regions", info_mach_regions_command, |
| 858 | _("Get information on all mach region for the task.")); |
| 859 | add_info ("mach-regions-rec", info_mach_regions_recurse_command, |
| 860 | _("Get information on all mach sub region for the task.")); |
| 861 | add_info ("mach-region", info_mach_region_command, |
| 862 | _("Get information on mach region at given address.")); |
| 863 | |
| 864 | add_info ("mach-exceptions", info_mach_exceptions_command, |
| 865 | _("Disp mach exceptions.")); |
| 866 | } |